101 results about "Gaseous Mediators" patented technology

The invention relates to the technical field of smoke exhaust waste heat recovery devices, and discloses a waste heat utilization and recovery device and method applied to boiler combustion smoke, and the waste heat utilization and recovery device applied to the boiler combustion smoke comprises a bottom frame, and a heat absorption mechanism, a middle section partition plate and a heat release assembly which are fixedly mounted at the top of the bottom frame in sequence; through the arrangement of the heat buffering assembly, when the temperature of smoke is high, the heat absorbing fins can absorb part of heat and conduct the heat to the medium storage cavity, a medium in the medium storage cavity absorbs the heat to be evaporated into gas, and the gas is filled with an inflatable heat conduction film through a gas flowing cavity; the inflatable heat conduction film is expanded to store the gaseous medium, the gaseous medium is dissipated when the smoke temperature is low, the gaseous medium is condensed into liquid after heat dissipation, then the liquid is absorbed by the liquid absorption core plate and returns to the medium storage cavity, and therefore heat transfer and buffering are facilitated, and damage of thermal shock to device parts is reduced.

The invention discloses a heat exchange system applied to fused salt energy storage and heat supply and an operation method of the heat exchange system, and particularly relates to the field of fused salt energy storage and heat supply. S2, starting of a high-temperature loop is completed through starting of a thermal medium loop, starting of a circulating pump, flow adjustment and pressure correction of a buffer tank; s3, starting the molten salt loop and controlling the temperature, regulating the opening degree based on a formula to stabilize the flow of the high-temperature loop, synchronously controlling the total flow of the circulating pump, and judging that the loop is started when the flow, molten salt outlet temperature and pump pressure stable conditions are met; an intermediate medium of the heat exchange system is in a liquid state and is driven by the circulating pump, and operation reliability and economical efficiency are higher than those of a gaseous medium; the heat exchange system can be suitable for heat exchange with the temperature difference larger than 500 DEG C, and heat stress safety and medium safety of the heat exchanger can be guaranteed; the investment cost of the pump is reduced by reducing the design temperature of the circulating pump.

The pressurization system comprises a liquid outlet pipeline, a vaporizer, a buffer tank and a heat exchange loop, the liquid outlet pipeline communicates with a low-temperature container, the vaporizer and the buffer tank both communicate with the liquid outlet pipeline, and the buffer tank is located at the downstream of the vaporizer; and the buffer tank can store the gaseous medium heated and vaporized by the vaporizer. The heat exchange loop is communicated to the buffer tank and is communicated with a circulating pump and a heat exchange device, the circulating pump can drive a gaseous medium in the buffer tank to flow along the heat exchange loop, the heat exchange device is connected to the low-temperature container, and the gaseous medium can conduct heat exchange on the low-temperature container through the heat exchange device; the heat carried by the gaseous medium is transferred into the low-temperature container, and the liquid medium in the low-temperature container absorbs heat and is vaporized, so that the volume of the medium in the low-temperature container is increased, the pressure in the low-temperature container is improved, the low-temperature container can be quickly pressurized when being at a low liquid level, and liquid supply or gas supply of the low-temperature container is facilitated.

The present invention relates to a temperature control arrangement (1) for temperature control of a sorbent bed (110) for obtaining carbon dioxide from a gaseous medium, comprising: - a pipe arrangement (20) with a pipe (21), and - a lamella arrangement (30) in the sorbent discharge (110) with an elongated lamella (31), wherein the tube (21) runs along a longitudinal direction (L) of the lamella (31) and contacts the lamella (31) along the longitudinal direction (L). The invention further relates to a sorbent container arrangement (100) with the temperature control arrangement (1) according to the invention and a device (200) for obtaining carbon dioxide from the gaseous medium with the temperature control arrangement (1) according to the invention.

The pressurization system comprises a liquid outlet pipeline, a vaporizer, a buffer tank and a heat exchange loop, the liquid outlet pipeline is communicated to a low-temperature container, the vaporizer and the buffer tank are both communicated to the liquid outlet pipeline, and the buffer tank is located on the downstream of the vaporizer, so that the buffer tank can store gaseous media heated and vaporized by the vaporizer. The heat exchange loop is communicated to the buffer tank and is communicated with a circulating pump and a heat exchange device, the circulating pump can drive a gaseous medium in the buffer tank to flow along the heat exchange loop, the heat exchange device is connected to the low-temperature container, and the gaseous medium can conduct heat exchange on the low-temperature container through the heat exchange device; the heat carried by the gaseous medium is transferred into the low-temperature container, and the liquid medium in the low-temperature container absorbs heat and is vaporized, so that the volume of the medium in the low-temperature container is increased, the pressure in the low-temperature container is improved, the low-temperature container can be quickly pressurized when being at a low liquid level, and liquid supply or gas supply of the low-temperature container is facilitated.

The invention relates to the technical field of nuclear power, in particular to a testing device and a testing method for nuclear fuel cladding blasting. The testing device comprises a reaction container, a heating mechanism, a vacuum mechanism, a pressure detection mechanism and a to-be-tested workpiece, wherein the reaction container is provided with a reaction cavity; the heating mechanism is used for heating the reaction cavity; the vacuum mechanism is used for vacuumizing the reaction cavity; the pressure detection mechanism is used for detecting air pressure change in the reaction cavity; a to-be-detected workpiece is arranged in the reaction cavity, the to-be-detected workpiece is provided with an accommodating cavity, and a detection medium is pre-sealed in the accommodating cavity; wherein if the heating temperature of the heating mechanism to the reaction cavity reaches the blasting critical value of the to-be-detected workpiece, the to-be-detected workpiece is blasted, the detection medium is in the form of a gaseous medium, the gaseous medium flows from the interior of the accommodating cavity to the reaction cavity, and the pressure detection mechanism can detect the air pressure change in the reaction cavity after the to-be-detected workpiece is blasted. According to the test method, the test device is applied to test experiments. The testing device and the testing method are wide in applicability.

The present invention relates to an injector (1) for injecting a gaseous medium, in particular a gaseous fuel, preferably hydrogen, into a combustion chamber (20) of an internal combustion engine. The injector (1) comprises, inter alia, an axially movable valve-closing element (5) for opening and closing at least one opening at a sealing seat (7), an actuator (21) for actuating the valve-closing element (5), and a flow-influencing geometry (10) arranged downstream of the sealing seat (7) in terms of flow. According to the invention, the flow-influencing geometry (10) is designed such that it is formed downstream of the sealing seat (7) in an attachment body (8), the attachment body (8) having a hollow-cylinder-shaped portion in the region of the sealing seat (7), the hollow-cylinder-shaped portion being adjoined by an outflow region (16) having at least one outflow opening (17) which has an inner contour (9) and opens out at an end side (25) facing the combustion chamber (20), the end side (25) being beveled toward the outflow opening (17) with an at least partially circumferential beveled region (26) which improves flushing behavior from the outflow opening (17).

The present invention provides a supercritical wafer cleaning / drying medium recovery method and system, capable of separating, recovering, and recycling supercritical medium. The method includes the following steps: a cleaning / drying step, in which a supercritical medium is used to dissolve and remove the solvent on the wafer; a separation step, in which the supercritical medium obtained in the cleaning / drying step is converted into a gaseous medium, and the gaseous medium is separated from the solvent by gas-liquid separation; and a gas supply step, in which the gaseous medium is pressurized and heated to obtain a supercritical medium, which is then supplied to the supercritical medium used in the cleaning / drying step.

The utility model discloses a vapor chamber and radiator for optimizing evaporation chamber, vapor chamber includes upper body, lower body, first capillary structure and second capillary structure, the lower body includes first bottom plate and two second bottom plate, the first bottom plate is equipped with a plurality of stand column, the second bottom plate is equipped with a plurality of second capillary structure. The first capillary structure is connected to the outer surface of the first bottom plate, the second capillary structure is connected to the outer surface of the second bottom plate, the outer surface of the first bottom plate and the outer surface of the stand columns, and the first capillary structure is communicated with the second capillary structure. Along with the rising of the gaseous medium, the pressure in the closed cavity is increased, the stand columns and the first bottom plate are designed to be of an integrated structure, the strength is higher, the temperature-uniforming plate is effectively prevented from deforming or cracking, the service life of the temperature-uniforming plate is prolonged, the backflow speed of the liquid working medium in the temperature-uniforming plate is increased, and the heat dissipation performance of the temperature-uniforming plate is improved.

The present application relates to a tunnel freezer configured to freeze food products arranged in layers. The tunnel refrigerator includes a housing and a conveyor unit. The housing includes a plurality of housing sections. The conveyor unit is configured to convey a layer of food product through each of the plurality of shell sections. Each housing section comprises a fan for providing a flow of a gaseous medium, and a cooling unit arranged to cool the gaseous medium in the flow. A first housing section of the plurality of housing sections is configured to force a flow of a gaseous medium through the food layer in a first direction. A second housing section of the plurality of housing sections is configured to force the flow of the gaseous medium through the food product layer in a second direction different from the first direction. The present application also relates to a method for freezing food products arranged in layers and to a method for operating a tunnel freezer.

The invention relates to a filter device (10) for a gaseous medium. The filter device (10) comprises a filter housing (26) having at least one inlet opening (168) for the gaseous medium to be cleaned and having at least one outlet opening (40) for the cleaned gaseous medium. The filter element (16) is arranged in the filter housing (26). The filter housing (26) comprises a first housing part (12), the first housing part (12) comprises a filter element receiving space (36), and a filter element (16) is arranged in the filter element receiving space. The filter housing (26) comprises a second housing part (18), at which the at least one inlet opening (168) is arranged, and which comprises a part (162) of at least one cyclone separator (166). The second housing part (18) closes a service opening (34) in the first housing part (12), and the first and second housing parts (12, 18) are releasably connected to each other. The filter element (16) has, on the side facing the second housing part (18), a seal (96) which extends about the axis (22) and has a circumferential sealing part with a radial sealing effect. A radially outer circumferential side of the sealing portion sealingly bears against a radially inner transverse surface (86) of the first housing portion (12). A rib (164), which is at least partially circumferential and protrudes from the second housing portion (18) in the axial direction, applies pressure on the seal (96) in order to press the seal portion onto the inner transverse surface of the first housing portion (12).

The present invention provides a device for obtaining carbon dioxide from a gaseous medium, comprising: a first air flow channel for the gaseous medium, a second air flow channel for exhaust air from the device, at least one rotatable pre-drying unit comprising at least one sorbent for the physisorption of water, The at least one rotatable pre-drying unit is axially rotatably driven, and the first air flow channel radially controls the at least one rotatable pre-drying unit. Furthermore, a method for obtaining carbon dioxide, as well as the use of the device and the method, are disclosed.

The present invention relates to an injector (1) for injecting a gaseous medium, in particular a gaseous fuel, preferably hydrogen, into a combustion chamber (20) of an internal combustion engine. The injector (1) comprises, inter alia, an axially movable valve closing element (5) for opening and closing at least one opening on a sealing seat (7), an actuator (21) for actuating the valve closing element (5), and a flow-control geometry (10) located downstream of the sealing seat (7).According to the invention, the flow control geometry (10) is designed such that it is formed downstream of the sealing seat (7) in an attachment body (8), wherein the attachment body (8) has a hollow cylindrical section in the area of ​​the sealing seat (7), to which an outflow area (16) with at least one outflow opening (17) having an inner contour (9) is connected, which opens into an end side (25) facing the combustion chamber (20), wherein in the transition from the hollow cylindrical section to the at least one outflow opening (17) the inner contour (9) has a trough-like section (22), from which at least one additional opening (24) is connected with the outer contour of the attachment body (8) in order to improve a scavenging behavior from the outflow opening (17).

Embodiments of this application provide a method and apparatus for controlling a two-phase cold plate liquid cooling system, and a system. The method includes: controlling a gas extraction tube to extract a gaseous medium from an outlet of an evaporator in an operation process of the two-phase cold plate liquid cooling system, where the two-phase cold plate liquid cooling system at least includes the gas extraction tube and the evaporator; condensing the gaseous medium in a condenser of the two-phase cold plate liquid cooling system to obtain a first liquid-phase medium corresponding to the gaseous medium; and controlling a nozzle of the two-phase cold plate liquid cooling system to spray the first liquid-phase medium into the outlet of the evaporator, where the first liquid-phase medium is used to absorb gaseous latent heat of the gaseous medium at the outlet of the evaporator. This application solves the technical problem of poor stability of the two-phase cold plate liquid cooling system.

The invention relates to the technical field of nuclear power, in particular to a heating system and a thermal load detection method of the heating system. The heating system comprises a circulation loop, a heat exchange loop and a detection loop, and the circulation loop is filled with a gaseous medium; the heat exchange loop comprises a heat exchanger, the heat exchanger is arranged on the downstream side of the circulation loop, the gaseous medium is configured to flow from the circulation loop to the heat exchange loop so that heat exchange of the gaseous medium can be achieved at the heat exchanger, and the gaseous medium is condensed into a liquid medium after heat exchange; the detection loop comprises a detection element, and the detection element is arranged on the downstream side of the heat exchanger and used for detecting the flow of the liquid medium. The detection method is used for detecting the heat load of the heating system. The detection method is accurate in detection of the thermal load of the heating system.

The utility model provides a gaseous medium monitor, which is used for monitoring whether leakage gas exists in circulating water or not and at least comprises a sample introduction pipeline, a gas collection component and a conductivity monitor, the conductivity monitor is arranged in the gas collection assembly and is used for detecting the conductivity of a medium in the gas collection assembly; the gas collection assembly is communicated with the sample introduction pipeline and is fixedly arranged with one end of the sample introduction pipeline; and an exhaust valve is arranged at the top of the gas collection assembly. The gaseous medium monitor provided by the technical scheme is simple in structure, and circulating water can be monitored without specially configuring equipment capable of physically separating gas in water; meanwhile, the gas analysis and measurement devices of the gaseous medium monitor are externally arranged, various gas analysis and measurement devices can be selected according to actual conditions, the compatibility is good, and the functions are diversified; in addition, the gaseous medium monitor adopts the transparent shell, so that the observability is strong.

The present invention relates to an injector (1) for injecting a gaseous medium, in particular a gaseous fuel, preferably hydrogen, into a combustion chamber (20) of an internal combustion engine. The injector (1) comprises, among other things, an axially movable valve closing element (5) for opening and closing at least one opening on a sealing seat (7), an actuator (21) for actuating the valve closing element (5), and a flow control geometry (10) downstream of the sealing seat (7), wherein the flow control geometry (10) is designed such that it is formed downstream of the sealing seat (7) in an attachment body (8), wherein the attachment body (8) has a hollow cylindrical section in the area of ​​the sealing seat (7), to which an outflow area (16) with at least one outflow opening (17) having an inner contour (9) is connected, which opens into an end side (25) facing the combustion chamber (20).According to the invention, the outflow region (16) downstream of the sealing seat (7) has a trough-like section (22) to which at least one outflow opening (17) is connected downstream, wherein the trough-like section (22) has a volume V1 and the outflow opening (17) has a volume V2, or, in the case of several successive opening sections in the flow direction with different orientations, the outflow opening (17) has several volumes V2, V3, and for the volumes V1 > V2 and V1 > V3, wherein the axial extent of the at least one outflow opening (17) is at least one third of the total axial extent of the outflow region (16) between the sealing seat (7) and the end face (25).

The present invention describes a device for extracting carbon dioxide from a gaseous medium, comprising a first air flow channel for a dried gaseous medium, a second air flow channel for exhaust air, and at least one rotatable sorption unit comprising at least one sorption agent for the physical absorption of carbon dioxide. The at least one rotatable sorption unit is controlled by the first air flow channel, and the second air flow channel removes the exhaust air from the rotating sorption unit. Furthermore, a method for extracting carbon dioxide and the use of the device and the method are disclosed.

The utility model discloses a gas medium circulating cooling system, relates to the technical field of cooling systems, and is mainly used for solving the problem that a pipeline interface of an existing liquid cooling system is easy to leak due to high-frequency pressure fluctuation caused by a circulating pump. The lower surface of the liquid medium cavity is tightly attached to a heating piece, a gaseous medium cavity communicated with the liquid medium cavity is formed above the liquid medium cavity, and the upper portion of the gaseous medium cavity is communicated with the input end of gradual change type gas cooling equipment through a gaseous medium output pipe; the output end of the gradual change type gas cooling equipment is in direct connection with the gaseous medium cavity through a gaseous medium input pipe, and the output end of the gaseous medium input pipe is located below the input end of the gaseous medium output pipe. The gas medium circulating cooling system has the advantages of being simple in structure, convenient to maintain, good in cooling effect and low in liquid cooling medium leakage risk.

The present invention relates to an injector (1) for injecting a gaseous medium, in particular a gaseous fuel, preferably hydrogen, into a combustion chamber (20) of an internal combustion engine. The injector (1) comprises, inter alia, an axially movable valve closing element (5) for releasing and closing at least one opening on a sealing seat (7), an actuator (21) for actuating the valve closing element (5), and a flow-influencing geometry (10) which is arranged downstream of the sealing seat (7) in terms of flow, wherein the flow-influencing geometry (10) is designed in such a way that it is formed in an attachment body (8) downstream of the sealing seat (7), wherein the attachment body (8) has a hollow cylindrical section in the region of the sealing seat (7), which is adjoined by an outflow region (16) having at least one outflow opening (17) having an inner contour (9), which outflow opening opens into an end side (25) facing the combustion chamber (20). According to the invention, the outflow region (16) has, downstream of the sealing seat (7), a trough-like section (22) which is adjoined, downstream, by at least one outflow opening (17), wherein the trough-like section (22) has a volume V1 and the outflow opening (17) has a volume V2 or, in the case of a plurality of opening sections which follow one another in the flow direction and have different orientations, the outflow opening (17) has a plurality of volumes V2, V3, and the following applies for the volumes: V1 > V2 and V1 > V3, wherein the axial extension region of the at least one outflow opening (17) is at least one third of the entire axial extension of the outflow region (16) between the sealing seat (7) and the end side (25).

Method for actuating a tank device (1) for storing a gaseous medium, comprising at least two tank containers (2) and a feed line (3) which can be connected to the tank containers (2). Each tank container (2) has at least one pressure-controlled control valve (5), via which gaseous medium flows from the tank device (1) into the feed line (3) in the direction of a load system (40). The invention is characterized by the following step:a. simultaneously opening the control valves (5) of the tank container (2) in a span of milliseconds while supplying the load system (40) such that a gaseous medium is conducted from the tank device (1) in the direction of the load system (40) via the feed line (3).

The invention relates to an injector for blowing gaseous media, in particular gaseous fuel, preferably hydrogen, into a combustion chamber of an internal combustion engine, comprising an axially movable valve closure element for opening and closing at least one opening on a sealing seat, an actuator for actuating the valve closure element, and a flow-influencing geometry arranged fluid-technically downstream of the sealing seat, which is formed in a sleeve downstream of the sealing seat, the sleeve having a hollow-cylindrical section in the region of the sealing seat, a flow-out region with at least one flow-out opening being adjoined to the hollow-cylindrical section, the flow-out opening having an inner contour, the flow-out opening merging into an outer contour of the sleeve, in particular on the end facing the combustion chamber. Here, the flow-out region has a recessed section downstream of the sealing seat, at least two flow-out openings being adjoined downstream of this section, the material region between the at least two flow-out openings serving as a beam splitter and assuming the beam shaping of the gas flow path in the flow-out openings.

The present invention relates to an injector (1) for injecting a gaseous medium, in particular a gaseous fuel, preferably hydrogen, into a combustion chamber (20) of an internal combustion engine. The injector (1) comprises, inter alia, an axially movable valve closing element (5) for opening and closing at least one opening on a sealing seat (7), an actuator (21) for actuating the valve closing element (5), and a flow-control geometry (10) located downstream of the sealing seat (7).According to the invention, the flow control geometry (10) is integrated in a multi-part attachment body (8), wherein the attachment body (8) comprises a cap-like base body (23) which can be attached to a nozzle body (2) of the injector (1), and the base body (23) has a receiving opening (25) into which an insert part (24) can be inserted and attached, wherein the insert part (24) is pressed into and / or welded firmly into the base body (23) and has at least one outlet bore (31).

The invention relates to a compressor (1) for a gaseous medium, comprising a cylindrical compression chamber (2) and a piston (3) accommodated in the compression chamber (2) for longitudinal displacement. According to the invention, at least one cooling channel (5) to which a cooling medium can be applied is formed in a wall (4) delimiting the compression chamber (2).

The invention provides a rectification system and method for producing boron isotopes, and belongs to the technical field of boron isotope preparation. The rectifying system comprises a rectifying tower and a condensing device; the rectifying tower comprises a tower body, a BF3 condenser positioned at the top of the tower body and a reboiler positioned at the bottom of the tower body; the condensing device comprises a liquid nitrogen storage tank and an intermediate condenser, the intermediate condenser is provided with a first heat exchange area and a second heat exchange area, the first heat exchange area is communicated with the second heat exchange area, and the first heat exchange area is configured to be capable of exchanging heat with liquid nitrogen provided by the liquid nitrogen storage tank. After heat exchange, at least part of the gaseous medium located in the first heat exchange area is cooled and liquefied to obtain a liquid medium, the liquid medium is collected to the second heat exchange area, and the second heat exchange area is configured to be capable of conducting heat exchange with gaseous BF3 in the BF3 condenser through the liquid medium; the rectification system can solve the problem that the rectification tower cannot operate normally due to freezing of BF3 in the process of preparing the boron isotope.

The invention relates to a filter element (16) for a gaseous medium for a filter device, comprising at least one filter medium body (90), which has an inflow side (226) and an outflow side (228), which face away from each other with respect to an imaginary axis (22) at the axial ends of the filter medium body (90), and a frame element (100), the frame element at least partially surrounds the filter medium body (90), protrudes radially beyond the filter medium body (90) with respect to the axis (22) and is connected to the filter medium body (90). A seal (96) around the axis (22) is provided on a side of the frame element (100) facing away from the inflow side (226). At least one support section (120A, 120B, 120C) is provided on the side of the frame element (100) facing the outflow side (228), by means of which support section the filter element (16) is supported at least in the axial direction in a filter housing of the filter device. The at least one support section (120A, 120B, 120C) has at least two support surfaces (122A, 122B, 122C) which are distributed over a circumferential extension with respect to the axis (22) and which are spaced apart from one another in the axial direction with respect to the axis (22), and the circumferential seal (96) has a circumferential sealing web (146) which protrudes in the axial direction with respect to the axis (22), the circumferential sealing web is configured to at least partially radially seal with respect to a corresponding sealing surface of the filter housing.

A damper arrangement (100) for reducing pressure pulsations in a fluid line (102) filled with a liquid product (P). The damper arrangement has a vessel (104) having an inner chamber (116), an upper end valve (132) that connects an upper end (106) of the inner chamber (116) to a gaseous media supply (135), a lower end valve (128) that connects a lower end (108) of the inner chamber (116) to a liquid output (130), and a line connecting valve (126) that connects the lower end (108) of the inner chamber (116) to the fluid line. The valves are operable to drain the inner chamber from liquid product and form a pressure absorbing gaseous pocket (109) inside the inner chamber. The vessel comprises a jacket (110) that has a liquid inlet (112) and a liquid outlet (114) for passing the liquid product (P) through the jacket.

The invention relates to an injector (1) for blowing a gaseous medium, in particular a gaseous fuel, preferably hydrogen, into a combustion chamber (20) of an internal combustion engine. Here, the injector (1) comprises in particular: an axially movable valve closing element (5) for releasing and closing at least one opening on a sealing seat (7); an actuator (21) for actuating the valve closing element (5); and a flow-influencing geometry (10) arranged hydrodynamically downstream of the sealing seat (7). According to the invention, the flow-influencing geometry (10) is embodied in such a way that the following relationship is satisfied when the needle stroke (lh) of the valve closing element (5) is maximum: 5 * lhs 1.5 * lh, (s) is the distance between the radial outer contour of the valve closing element (5) at the downstream edge region thereof and an annular line on a section (12) of the flow-influencing geometry (10) which is located below in the axial projection and which contracts in the flow direction, in order to produce a substantially lossless flow downstream of the valve closing element (5).

The invention relates to an injector for blowing gaseous media, in particular gaseous fuel, preferably hydrogen, into a combustion chamber of an internal combustion engine, comprising an axially movable valve closure element for opening and closing at least one opening on a sealing seat, an actuator for actuating the valve closure element, and a flow-influencing geometry arranged fluid-technically downstream of the sealing seat, which is formed in a sleeve downstream of the sealing seat, the sleeve having a hollow-cylindrical section in the region of the sealing seat, a flow-out region with at least one flow-out opening being adjoined to the hollow-cylindrical section, the flow-out opening having an inner contour, the flow-out opening merging into an outer contour of the sleeve, in particular on the end facing the combustion chamber. Here, the flow-out region has a recessed section downstream of the sealing seat, at least two flow-out openings being adjoined downstream of this section, an insert between the at least two flow-out openings serving as a beam splitter and assuming the beam shaping of the gas flow path in the flow-out openings.